A University of Michigan student and Bank of America intern dropped dead in London, reportedly after working a string of around-the-clock shifts.

German national Moritz Erhardt, 21, had been an undergraduate exchange student at Michigan’s Ross School of Business from January through May of this year, officials said.

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He was found dead Thursday at Claredale House, a student residential facility in East London. Police and bank officials said the death was not suspicious.

“He was popular amongst his peers and was a highly diligent intern at our company with a promising future,” according to a Bank of America statement. “Our first thoughts are with his family and we send our condolences to them at this difficult time.”

Erhardt’s death brought light to the internship program’s allegedly brutal work hours.

He had worked three consecutive near-24-hour shifts when he was found dead in the shower of his apartment, according to The Independent.

An anonymous poster on Web site the wallstreetoasis.com site said: “He was found dead in the shower by his flatmate. Intern at BAML [Banking of America and Merrill Lynch] who went home at 6am three days in a row.”

One former investment banker told the UK newspaper that Bank of America interns regularly work 14-hours days.

“Interns can regularly clock up to 100 or even 110 hours a week, but people are fully aware that banking is hard work and the company constantly reminds you to manage upwards in order to not overheat,” the banker said.